Unrated severityCISA KEVNVD Advisory· Published Jan 28, 2026· Updated Feb 26, 2026
SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability
CVE-2025-40551
Description
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
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Affected products
2- SolarWinds/Web Help Deskv5Range: 12.8.8 HF1 and below
Patches
Vulnerability mechanics
References
2- www.solarwinds.com/trust-center/security-advisories/CVE-2025-40551mitrevendor-advisorypatch
- documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmmitrerelease-notes
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